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http://cibnor.repositorioinstitucional.mx/jspui/handle/1001/2744| Cichlid jaw mechanics: linking morphology to feeding specialization | |
| C. Darrin Hulsey FRANCISCO JAVIER GARCIA DE LEON | |
| Acceso Abierto | |
| Atribución-NoComercial-SinDerivadas | |
| DOI: https://doi.org/10.1111/j.1365-2435.2005.00987.x URL: https://besjournals.onlinelibrary.wiley.com/doi/epdf/10.1111/j.1365-2435.2005.00987.x ISSN: 13652435 | |
| Biomechanics, ecomorphology, functional morphology, prey capture, trophic specialization | |
| "1.The utility of the anterior jaw four-bar linkage model and the trophic consequencesof jaw protrusion were investigated in Heroine cichlids by examining the evolutionaryrelationships among maxillary kinematic transmission (KT), maximum jaw protrusionand dietary specialization on evasive prey. 2.In 31 species of Heroine cichlids, a four-bar linkage model was used to generatekinematic predictions of maxillary KT, the angular amount of maxilla rotation per unitlower jaw rotation, expected during mouth opening. Maxillary KT averaged 0·79 andranged from 0·58 in Herichthys tamasopoensis to 1·06 in Petenia splendida. 3.Because the maxilla pushes the toothed premaxilla out during jaw protrusion, wepredicted higher maxillary KT should characterize species with greater maximum jawprotrusion. Maximum jaw protrusion ranged from 1·5 to 14·2% of cichlid standardlength and was highly correlated with greater maxillary KT. 4.The proportion of fish and crustaceans in the diet of these cichlids was correlated withmaximum protrusion, suggesting jaw protrusion may aid in the capture of evasive prey. 5.Phylogenetic independent contrasts indicate changes in anterior jaw mechanics maybe necessary for diversification of cichlid jaw protrusion abilities, and the labile evolu-tion of jaw protrusion in Heroine cichlids likely facilitated the repeated specializationon evasive prey during their diversification." | |
| Wiley-Blackwell Publishing Ltd | |
| 2005 | |
| Artículo | |
| Functional Ecology | |
| Inglés | |
| ANATOMÍA ANIMAL | |
| Versión publicada | |
| publishedVersion - Versión publicada | |
| Aparece en las colecciones: | Artículos |
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